Surge protection for a multistage compressor
US-11768014-B2 · Sep 26, 2023 · US
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of multistage type
of multistage type · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04D5/003 |
| Official title | {of multistage type} |
| Display label | of multistage type |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surge protection for a multistage compressor
US-2022186985-A1 · Jun 16, 2022 · US
Regenerative pump start and actuation stage for high-speed centrifugal fuel pump
US-2021277902-A1 · Sep 9, 2021 · US
Multi-stage horizontal centrifugal pump for conveying a fluid and a method for repairing the same
US-10724526-B2 · Jul 28, 2020 · US
Multi-stage horizontal centrifugal pump for conveying a fluid and a method for repairing the same
US-2017191480-A1 · Jul 6, 2017 · US